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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: StringEncodedType.html 671 2015-01-17 15:50:55Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.core;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.google.common.base.Converter;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.google.common.reflect.TypeToken;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>/**<a name="line.13"></a>
<span class="sourceLineNo">014</span> * A {@link FieldType} implementation for any Java type that can be encoded uniquely as a {@link String}.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * A {@link Converter} is used to convert between native and {@link String} forms.<a name="line.15"></a>
<span class="sourceLineNo">016</span> *<a name="line.16"></a>
<span class="sourceLineNo">017</span> * &lt;p&gt;<a name="line.17"></a>
<span class="sourceLineNo">018</span> * This class provides a convenient way to implement custom {@link FieldType}s.<a name="line.18"></a>
<span class="sourceLineNo">019</span> * Null values are supported and null is the default value. This type will sort instances according to<a name="line.19"></a>
<span class="sourceLineNo">020</span> * the lexicographical sort order of their {@link String} encodings; null will sort last.<a name="line.20"></a>
<span class="sourceLineNo">021</span> * &lt;/p&gt;<a name="line.21"></a>
<span class="sourceLineNo">022</span> *<a name="line.22"></a>
<span class="sourceLineNo">023</span> * @param &lt;T&gt; The associated Java type<a name="line.23"></a>
<span class="sourceLineNo">024</span> */<a name="line.24"></a>
<span class="sourceLineNo">025</span>public class StringEncodedType&lt;T&gt; extends NullSafeType&lt;T&gt; {<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>    /**<a name="line.27"></a>
<span class="sourceLineNo">028</span>     * Convenience constructor. Uses the name of the {@code type} as this {@link FieldType}'s type name.<a name="line.28"></a>
<span class="sourceLineNo">029</span>     *<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * @param type represented Java type<a name="line.30"></a>
<span class="sourceLineNo">031</span>     * @param signature binary encoding signature (in this case, {@link String} encoding signature)<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * @param converter converts between native form and {@link String} form<a name="line.32"></a>
<span class="sourceLineNo">033</span>     * @throws IllegalArgumentException if {@code converter} does not convert null to null<a name="line.33"></a>
<span class="sourceLineNo">034</span>     * @throws IllegalArgumentException if any parameter is null<a name="line.34"></a>
<span class="sourceLineNo">035</span>     */<a name="line.35"></a>
<span class="sourceLineNo">036</span>    public StringEncodedType(Class&lt;T&gt; type, long signature, Converter&lt;T, String&gt; converter) {<a name="line.36"></a>
<span class="sourceLineNo">037</span>        this(type.getName(), type, signature, converter);<a name="line.37"></a>
<span class="sourceLineNo">038</span>    }<a name="line.38"></a>
<span class="sourceLineNo">039</span><a name="line.39"></a>
<span class="sourceLineNo">040</span>    /**<a name="line.40"></a>
<span class="sourceLineNo">041</span>     * Primary constructor.<a name="line.41"></a>
<span class="sourceLineNo">042</span>     *<a name="line.42"></a>
<span class="sourceLineNo">043</span>     * @param name the name for this {@link FieldType}<a name="line.43"></a>
<span class="sourceLineNo">044</span>     * @param type represented Java type<a name="line.44"></a>
<span class="sourceLineNo">045</span>     * @param signature binary encoding signature (in this case, {@link String} encoding signature)<a name="line.45"></a>
<span class="sourceLineNo">046</span>     * @param converter converts between native form and {@link String} form<a name="line.46"></a>
<span class="sourceLineNo">047</span>     * @throws IllegalArgumentException if {@code converter} does not convert null to null<a name="line.47"></a>
<span class="sourceLineNo">048</span>     * @throws IllegalArgumentException if any parameter is null<a name="line.48"></a>
<span class="sourceLineNo">049</span>     */<a name="line.49"></a>
<span class="sourceLineNo">050</span>    public StringEncodedType(String name, Class&lt;T&gt; type, long signature, Converter&lt;T, String&gt; converter) {<a name="line.50"></a>
<span class="sourceLineNo">051</span>        super(new StringConvertedType&lt;T&gt;(name, TypeToken.of(type), signature, converter));<a name="line.51"></a>
<span class="sourceLineNo">052</span>    }<a name="line.52"></a>
<span class="sourceLineNo">053</span>}<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>




























































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